20/08/2025
Master List of 171 Free / Free-Tier AI Tools
1. Craiyon – Easy-to-use AI image generator with free access.
2. Freepik AI Image Generator – Generate photorealistic images from text prompts with a free plan.
3. Freepik Background Remover – Remove image backgrounds automatically under free tier.
4. Freepik Image Upscaler – Upscale images up to 10K for free.
5. Fotor – Online photo editor with free tools like cropping, collage, filters.
6. ChatGPT – Free-to-use conversational AI for chat, insights, and task automation.
7. Toolsaday – AI email, marketing, social media writing tools; no sign-in required.
8. PicsArt AI Writer – Paraphrase, expand, summarize text with grammar check.
9. Perplexity AI – Chatbot–search engine combo with free tier.
10. Claude – AI for coding and conversation under free plan.
11. Lumen5 – Create video content for free with limited monthly quota.
12. Google Cloud Translation API – Free usage up to monthly limit.
13. Google Cloud Speech-to-Text API – Free usage with quota.
14. Google Cloud Natural Language API – Free monthly usage limit available.
15. Google Cloud Video Intelligence API – Limited free usage available.
16. Eclipse Theia – Open-source framework for building AI-enabled IDEs.
17. Weka – Free machine-learning/data-mining suite.
18. EleutherAI tools (e.g., GPT-Neo) – Open-source AI language models and datasets.
19. AIxploria – Free AI Tools – Over 1,500 free AI tools listed.
20. Futurepedia – “Free” category – AI directory with filter for free/freemium tools.
21. AI Scout – Free AI Tools – Directory listing fully free tools (365 listed).
22. Insidr.ai – Free AI Tools section – “Free Tools” category in 500+ AI list.
23. Runway (Free Plan) – AI video and image editing tools with a free tier for basic exports and effects.
24. Grammarly (Free Version) – AI-assisted writing enhancement including grammar and clarity suggestions at no cost.
25. MagicSchool AI – Creates personalized K–12 educational content, currently available for free use.
26. Semantic Scholar – AI-powered academic search and paper summarization tool that’s completely free.
27. OpenAI Playground (Free Tier) – Explore and test AI models for free within usage limits.
28. Toolify.ai – Massive directory of over 26,000 AI tools across 450+ categories, free browsing.
29. AI Tools Directory (Top AI Tools) – Browse a searchable list of nearly 19,000 AI tools by category.
30. Futurepedia – Directory listing over 5,500 AI tools, including free or freemium options.
31. AIxploria Free Tools – Large directory with a “Mini Free Apps” section showing fully free tools.
32. AI Scout – Over 365 completely free AI tools across categories like writing, coding, productivity.
33. Insidr.ai “Free Tools” – Browse a curated “Free Tools” section from a directory of 500+ AI tools.
34. FutureTools.io – Aggregator site organizing AI tools by use cases from AI detection to productivity.
35. There’s An AI For That (TAI4T) – Directory to help find AI tools for any task (implied free tiers).
36. Tool directories list (GitHub) – A collection of AI tool directories to help find free options.
37. Altern (AI Search) – Search engine to discover AI tools for any need, with many free listings.
38. AIDir.wiki – Wiki-style directory highlighting the latest AI tools and software, many free.
39. AI PEDIA HUB – Large, daily-updated directory of AI tools, many with free options.
40. Scikit-learn – Widely used Python library for machine learning, fully free and open-source.
41. Caffe – Deep learning framework for image classification and segmentation, open-source.
42. Apache Mahout – Scalable machine learning library for big data tasks via Hadoop and Spark.
43. Orange (software) – Visual programming and data mining toolkit with AI capabilities, free.
44. RapidMiner – Predictive analytics tool with an open-source core and free usage.
45. TPOT – AutoML tool using genetic programming to automate model workflows, open-source.
46. Neural Network Intelligence (NNI) – Microsoft’s toolkit for hyperparameter tuning and neural architecture search (open-source).
47. MindsDB – AutoML platform that integrates ML into SQL databases, free and open-source.
48. OpenCog – Open-source framework aiming at artificial general intelligence (AGI), free to use.
49. OpenTools.ai – AI tool directory with curated listings and news feeds.
50. Grabon AI Directory – Vast global directory of AI tools.
51. God of Prompt – Collection of over 1,000 top AI tools for marketing and business.
52. Find my AI Tool – AI tool discovery platform tailored to business needs.
53. OpenFuture AI – Rapidly updated, accurate AI tools database.
54. PoweredbyAI – AI tools and prompts directory.
55. Productivity Tools (curated) – Focused AI tools for boosting productivity.
56. Pugin (AI Plugins) – Directory of AI plugins.
57. TopAI.tools – Daily updates of top AI tools.
58. Tool Pilot – Navigation hub for AI tools.
59. AI Tools information (AIToolsInfo.com) – In-depth AI tool directory and reviews.
60. Futuretools.io – Organizes AI tools by use case like productivity and detection.
61. Alternative: Futurepedia – Massive, daily-updated directory of AI tools.
62. Sh**un – C++ library for large-scale machine learning.
63. mlpack – Header-only C++ ML library.
64. Apache SystemDS – End-to-end ML system for data science.
65. Jubatus – Framework for online ML and distributed computing.
66. KNIME – Modular data pipelining tool with ML capabilities.
67. fastText – Meta AI’s word embedding library.
68. XGBoost – Popular gradient-boosted trees library.
69. Apache OpenNLP – Library for natural language processing tasks.
70. Apertium – Rule-based translation platform.
71. ChatScript – Dialog engine for natural language interaction.
72. Gensim – Library for topic modeling and document similarity.
73. GloVe – Unsupervised word vector representation tool.
74. Mallet – Java toolkit for statistical NLP.
75. MontyLingua – NLP libraries for Python and Java.
76. Moses – Statistical machine translation engine.
77. NiuTrans – Machine translation platform.
78. NLTK – Widely used toolkit for symbolic and statistical NLP.
79. spaCy – Industrial-strength NLP library in Python.
80. Spark NLP – Advanced text processing for Python, Java, and Scala.
81. Word2vec – Tool for learning vector representations of words.
82. CMU Sphinx – Speech recognition toolkit.
83. DeepSpeech – Open-source speech-to-text engine.
84. Whisper – OpenAI’s speech recognition model.
85. DeepSeek (R1 & V3) – Open-source LLMs.
86. GPT-J – 6 B parameter LLM from EleutherAI.
87. GPT-1 – OpenAI’s first LLM under MIT license.
88. GPT-2 – Larger LLM from OpenAI, MIT license.
89. XLNet – Google’s LLM (Apache 2.0 license).
90. BERT – Google’s transformer model, Apache 2.0 license.
91. T5 – Text-to-Text Transformer by Google (Apache 2.0).
92. AForge.NET – AI and robotics library for .NET framework.
93. OpenCV – Computer vision library in C++.
94. ELKI – Java toolkit for clustering and outlier detection in data mining.
95. OpenNN – Neural network library in C++.
96. ArduPilot – Open-source autopilot for drones/robots.
97. CoppeliaSim – Robot simulator platform.
98. Gazebo – Simulation environment for robotics.
99. MRPT (Mobile Robot Programming Toolkit) – Modular robotics library.
100. OpenRTM-aist – Robotics middleware platform.
101. Paparazzi Project – Open-source UAV autopilot system.
102. Player Project – Networked robotics platform.
103. Python Robotics – Python-based robotics suite.
104. ROS (Robot Operating System) – Standard robotics middleware.
105. Webots – Robot simulator with realistic physics.
106. AIToolsClub – Curated AI tools collection, many free or freemium.
107. AI Cyclopedia – AI tools encyclopedia with filter for free options.
108. WikiGlitz – Smart hub for discovering free AI tools.
109. AI Tool Hunt – Aggregated directory including free-tier tools.
110. AITopTools.com – Massive listing of AI tools (10,000+), includes free options.
111. AI Tools Directory – Curated AI software list, many with free tiers.
112. Cloud Google free AI tools page – Google’s AI tool directory including free usage limits.
113. Gemini & Gemini Advanced – Google’s AI assistant with free version.
114. Microsoft Copilot – AI assistant integrated into Office apps; basic access free.
115. Copy.ai – Generate marketing copy like product descriptions, slogans, and emails.
116. BLOOM – Open multilingual LLM with 176B parameters.
117. DBRX – Open-source LLM project.
118. Emacspeak – Audio desktop for screen reading.
119. ESpeak – Compact speech synthesizer for multiple languages.
120. Festival Speech Synthesis System – Multilingual TTS system.
121. Modular Audio Recognition Framework (MARF) – Audio/speech processing framework.
122. NVDA – Free screen reader for Windows.
123. Dasher – Text input software using AI-like prediction.
124. Blender – 3D creation suite with AI/automation plugins.
125. FreeCAD – Parametric 3D CAD modeler with automation scripts.
126. GIMP – Advanced image editor supporting AI plugins.
127. Inkscape – Vector graphics editor with extension support.
128. Krita – Digital painting with AI brush tools.
129. Hugin – Panorama stitching software.
130. Darktable – RAW photo processing, free.
131. digiKam – Photo management and editing suite.
132. RawTherapee – RAW image workflow tool.
133. Posit (RStudio) – R-based IDE with AI typing aids; free open-source version.
134. QGIS – GIS platform with AI plugins.
135. PDFsam Basic – Split/merge PDF tool with free AI-based processing.
136. Jupyter Notebook – Interactive computing with AI code assistance.
137. Keras – Neural network library running AI models.
138. TensorFlow – ML framework by Google.
139. NumPy – Core numerical library used in AI workflows.
140. pandas – Data manipulation library used in AI data prep.
141. SciPy – Scientific computing with AI tool integration.
142. Matplotlib – Plotting library often used in AI analysis.
143. SageMath – Includes symbolic AI algorithms.
144. SymPy – Symbolic mathematics for AI tasks.
145. Octave – Numerical analysis with AI capabilities.
146. Scilab – Similar to MATLAB, used in AI numerical work.
147. Godot – Game engine with AI scripting support.
148. Stockfish – Chess engine using AI algorithms.
149. Leela Chess Zero – Neural-network-based chess engine.
150. OpenAI gpt-oss-120b – Fully open-weight LLM freely available.
151. h2oGPT – Open source suite of LLMs under Apache 2.0 license.
152. Mistral Mathstral 7B – Open model fine-tuned for STEM tasks.
153. Mistral Mixtral 8×22B – Large open-weight model with mixture-of-experts.
154. Free Document Maker – Browser-based suite with invoice generators, resume builders, PDF editing, and image tools—all free.
155. Pixlr – Free online image editor with AI features.
156. GnuCash – Free double-entry accounting software.
157. ERPNext – Web-based open-source ERP system.
158. Odoo – Open-source ERP, CRM, and CMS platform.
159. SuiteCRM – Open-source CRM system.
160. Openbravo – Web-based ERP solution.
161. 1DayLater – Free invoicing software.
162. Grok – Free AI assistant by xAI focused on real-time truth and search.
163. Notion AI – AI-powered workspace for notes, docs, and projects.
164. Airtable AI Assistant – No-code workflow AI assistant.
165. Perchance AI – Create and share random generators; free to use.
166. OpenAI – AI research and deployment platform, with free access options.
167. Rubii: AI Character Community – AI character chat and art creation.
168. Skywork – AI-powered workspace agent.
169. i10X – All-in-one AI platform with 500+ tools.
170. Trickle – Build apps and websites with AI.
171. Redesignr AI – Build landing pages, redesign websites.
172. CrePal – AI video agent for viral videos.
173. Alice – Personal AI Assistant – Chat with AI models and automate tasks.
174. Leonardo.Ai – Generate production-quality creative assets.
175. Fliki – Create videos from text using realistic voices.
176. remove.bg – Remove image backgrounds.
177. DeepL – AI-powered translation and writing assistant.
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